VENSMILE Indoor Bug Zapper Plug in Fly Killer Mosquito Insect Trap 4W INSTANT INSECT ATTRACTION & ELIMINATION: This bug zapper emits a 365 nm wavelength, which has been scientifically proven to be highly attractive to insects, as it falls within their natural viewing wavelength. As flies, mosquitoes and any other flying insect cant resist approaching the light source, they get immediately zapped SAFE & CLEAN  The VENSMILE Bug Zapper Bulb Fly Killer Trap is designed to keep dead insects collected inside of the detachable tray, which can then be easily removed for cleaning disposal. Safe to operate 24/7. Completely harmless to human bodies and pets EFFECTIVE PROTECTION 500 SQ.FT  Perfect for home, office, kitchens, restaurants, schools, etc. or for taking along during travel. Protects and prevents against annoying and disease-carrying flies and insects! Traps and kills, house flies, mosquitoes, gnats, etc. PESTICIDE, CHEMICAL & ODOR FREE  Get rid of all flying insects and bugs without the use of pesticides or dangerous chemicals. Maintenance free and easy to use; simply plug in the bug zapper and watch the device eliminate all pesky and annoying flies by electrocuting them in the metal grid Money-Back Guarantee: Each of Vensmile product is backed by an 12-Month Warranty Policy. You are free to return it to us within the first 60 days and receive a full refund.